Category
Endoscopy Therapeutic
Typical Use
Encircle and resect polyps or mucosal lesions during endoscopy.
Description
A wire loop that can be opened and closed through an endoscope to capture and excise polyps or mucosal lesions, often used with electrocautery to simultaneously cut and coagulate tissue during colonoscopy or gastroscopy, enabling removal of precancerous lesions and therapeutic management of bleeding. Snare selection oval, hexagonal, hot or cold depends on polyp size, morphology, and location, and technique emphasizes complete resection with margin assessment to reduce recurrence risk. Proper specimen retrieval, orientation, and pathology submission are essential for staging and surveillance planning, and awareness of perforation and bleeding risks guides postprocedure monitoring and patient counseling. Endoscopic snare polypectomy is a high value preventive intervention in colorectal cancer screening programs.